Use APKPure App
Get MB Calculator: Multi-function old version APK for Android
All-in-one calculator with fundamental & engineering operation functions!
MixerBox Calculator can quickly perform both fundamental & engineering calculations!
・ Free & easy to use
・ Just like an actual calculator with a simple, clean design and big buttons
・ Auto-rotate to switch from basic calculator to engineering calculator
・ Low in storage capacity, takes up less storage space on your device